Navigation Links
Walking in the footsteps of 19th and 20th century naturalists
Date:2/28/2013

es had been more loyal to Claytonia in the past than they were now.

The fraction of the pollen on the bee contributed by Claytonia virginica was highest in Robertson's time, lower in Marlin's time and much lower in 2010. Since pollen from another species of plant is at best unusable and at worst can clog up pistils, preventing fertilization, the bee washings also pointed to a decline in pollination services.

The bottom line

"I was surprised by how tenuous a lot of these plant-bee interactions are," Burkle said. "We've pushed on these communities a lot, and they are pretty robust, but at the same time, they are compromised, and more compromised than I was expecting them to be."

There have been major changes in Robertson's network over the past 120 years, Knight said. The good news is that the network proved flexible, and many of the broken connections were replaced with new ones. But the bad news is that network has been restructured in ways that will make it less resilient to disturbances in the future.

We can't just kick these plant-pollinator networks forever and expect them to keep functioning," Knight said.


'/>"/>

Contact: Diana Lutz
dlutz@wustl.edu
314-935-5272
Washington University in St. Louis
Source:Eurekalert  

Page: 1 2 3 4 5

Related biology news :

1. Pond skating insects reveal water-walking secrets
2. These bots were made for walking: Cells power biological machines
3. Walking on marbles could be a thing of the past for arthritis patients
4. The Scars of Human Evolution briefing explores physical fallout from 2-footed walking
5. Following in Marie Curies footsteps
6. 17th century Dutch explorers help the Atlas reach a major milestone -- 30 million records
7. lobSTR algorithm rolls DNA fingerprinting into 21st century
8. Mercury rising: Greater L.A. to heat up an average 4 to 5 degrees by mid-century
9. Wallaces century-old map of natural world updated
10. Urban metabolism for the urban century
11. A*STAR scientists solve century-old mystery by finding stable haploid strains of Candida albicans
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Walking in the footsteps of 19th and 20th century naturalists
(Date:8/21/2014)... Researchers from North Carolina State University have developed a ... The model has applications for creating new materials as ... , "Our new technique allows us to model much ... so much more quickly," says Nan Li, lead author ... student in NC State,s Department of Materials Science and ...
(Date:8/20/2014)... (HCI) at the University of Utah have identified and ... the unregulated enzyme driving the blood cancer chronic myeloid ... 6,000 new cases of CML will be diagnosed in ... inhibitors (TKIs), target BCR-ABL and are effective at controlling ... it in a way that allows patients to get ...
(Date:8/20/2014)... this image of the Para and Mato Grosso states ... intentionally set in order to deforest the land. Deforestation ... trees where the land is thereafter converted to a ... to farms, ranches, or urban use. The herringbone-patterned tan ... Rainforest in the middle of the image are evidence ...
Breaking Biology News(10 mins):Researchers develop models to study polyelectrolytes, including DNA and RNA 2Blueprint for next generation of chronic myeloid leukemia treatment 2
... forming the droplets that make up clouds, a little ... much. And that,s good news for reducing the uncertainty ... essential for accurate climate modeling, and understanding cloud formation ... form when water vapor is attracted to particles floating ...
... name by successfully transplanting bioengineered stem cell-based trachea, composed of ... the technique to recreate more complex tissues, such as the ... lungs. He has also made an experimental attempt to regenerate ... news he will be presenting during his seminar at the ...
... national synchrotron facility, Diamond Light Source, is now the first ... 3 including serious viruses such as those responsible for ... analysed at atomic and molecular level using synchrotron light. This ... levels of detail and this new facility extends that capability ...
Cached Biology News:The role of goop: Research shows pollution doesn't change the rate of droplet formation 2The role of goop: Research shows pollution doesn't change the rate of droplet formation 3Stem cell-based bioartificial tissues and organs 2Diamond sheds light on basic building blocks of life 2Diamond sheds light on basic building blocks of life 3
(Date:8/21/2014)... 2014 Ontotext S4 , The ... Ontotext . Now the same enterprise hardened text ... and unstructured data is available to start-ups and mid-size ... technology. Organizations that do not have resources to evaluate ... use S4 since there is no need for on ...
(Date:8/20/2014)... Clintrax Global, Inc., a worldwide provider ... Raleigh, NC , recently announced the addition ... of Administration. As Vice President ... including their alignment with company objectives and policies.  ... an HR executive, specializing in needs assessments, customer ...
(Date:8/20/2014)... Aug. 20, 2014 Neurotrope, Inc. (OTCQB: ... conference call to provide an update on Company ... daylight timeDial-in numbers:(888) 505-4369 (U.S. and Canada) or ... cast: www.neurotropebioscience.com , under "Investor Relations"The teleconference replay ... through September 2, 2014 at (888) 203-1112 (U.S. ...
(Date:8/20/2014)... San Francisco, CA (PRWEB) August 20, 2014 ... Medicine Conference is being held on October 29-30 ... fresh perspectives from industry, academic and government researchers and ... remaining in the space. , In the twelve ... than one hundred therapies have been introduced with pharmacogenetic ...
Breaking Biology Technology:Ontotext Releases Text Mining & Semantic Technology Running in the Cloud – Welcome to “S4? 2Ontotext Releases Text Mining & Semantic Technology Running in the Cloud – Welcome to “S4? 3Ontotext Releases Text Mining & Semantic Technology Running in the Cloud – Welcome to “S4? 4Clintrax Global, Inc. Announces Addition to Executive Team 2Neurotrope To Host Conference Call 26th Annual Personalized and Precision Medicine Conference Bringing Together Thought Leaders to Discuss Clinical Implementation, Dx Reimbursement, Big Data, and Sequencing 2
... Waukesha, Wis. - GE Healthcare has ... Research Excellence in Breast Cancer Imaging within the ... , ,With funding from GE Healthcare, a $17 billion ... is designed to advance and commercialize research and technology ...
... a meeting with U.S. Health and Human Services ... and healthcare organizations pledged to support health information technology ... health information technology products used by their health plans. ... effort to support a national initiative aimed at improving ...
... admitted his crystal ball may be a little cloudy, but he ... woes may have already trickled out in anticipation of the ... his Senate colleague and a software executive, isn`t sure the worst ... that the audit on state IT projects should be a catalyst ...
Cached Biology Technology:Wisconsin firms pledge to support healthcare IT standards 2Is the worst over for state technology failures? 2
... anti-Cytohesin 2, Monoclonal Antibody, Unconjugated ... dependent dilution. ICC: Use at an assay dependent ... - 10 ug/ml, this concentration is determined using ... weight: 40 kDa. Not tested in other applications. ...
Recognizes TWIK-2. Does not cross react with any other known proteins....
Anti human PPAR gamma2 mouse monoclonal antibody...
200 μg per ml DNA in 10 SSPE, 2 Denhardt's...
Biology Products: